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Merge pull request #841 from jmattsson/flash-addr-cleanup 

Cleanup/minor correction: Flash addr cleanup
This commit is contained in:
Terry Ellison 2015-12-16 10:53:58 +00:00
parent 4461fcd5ad fd9113124c
commit 53ee80e3aa
8 changed files with 41 additions and 26 deletions
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14
app/platform/common.c
View File

@ -102,15 +102,14 @@ extern char _flash_used_end[];
// Return the sector number, as well as the start and end address of the sector
static uint32_t flashh_find_sector( uint32_t address, uint32_t *pstart, uint32_t *pend )
{
address -= INTERNAL_FLASH_START_ADDRESS;
#ifdef INTERNAL_FLASH_SECTOR_SIZE
// All the sectors in the flash have the same size, so just align the address
uint32_t sect_id = address / INTERNAL_FLASH_SECTOR_SIZE;
if( pstart )
*pstart = sect_id * INTERNAL_FLASH_SECTOR_SIZE + INTERNAL_FLASH_START_ADDRESS;
*pstart = sect_id * INTERNAL_FLASH_SECTOR_SIZE ;
if( pend )
*pend = ( sect_id + 1 ) * INTERNAL_FLASH_SECTOR_SIZE + INTERNAL_FLASH_START_ADDRESS - 1;
*pend = ( sect_id + 1 ) * INTERNAL_FLASH_SECTOR_SIZE - 1;
return sect_id;
#else // #ifdef INTERNAL_FLASH_SECTOR_SIZE
// The flash has blocks of different size
@ -121,9 +120,9 @@ static uint32_t flashh_find_sector( uint32_t address, uint32_t *pstart, uint32_t
while( ( total <= address ) && ( i < sizeof( flash_sect_size ) / sizeof( uint32_t ) ) )
total += flash_sect_size[ i ++ ];
if( pstart )
*pstart = ( total - flash_sect_size[ i - 1 ] ) + INTERNAL_FLASH_START_ADDRESS;
*pstart = ( total - flash_sect_size[ i - 1 ] );
if( pend )
*pend = total + INTERNAL_FLASH_START_ADDRESS - 1;
*pend = total - 1;
return i - 1;
#endif // #ifdef INTERNAL_FLASH_SECTOR_SIZE
}
@ -150,13 +149,12 @@ uint32_t platform_flash_get_first_free_block_address( uint32_t *psect )
uint32_t start, end, sect;
NODE_DBG("_flash_used_end:%08x\n", (uint32_t)_flash_used_end);
if(_flash_used_end>0){ // find the used sector
// sect = flashh_find_sector( ( uint32_t )flash_used_size + INTERNAL_FLASH_START_ADDRESS - 1, NULL, &end );
sect = flashh_find_sector( ( uint32_t )_flash_used_end - 1, NULL, &end );
sect = flashh_find_sector( platform_flash_mapped2phys ( (uint32_t)_flash_used_end - 1), NULL, &end );
if( psect )
*psect = sect + 1;
return end + 1;
}else{
sect = flashh_find_sector( INTERNAL_FLASH_START_ADDRESS, &start, NULL ); // find the first free sector
sect = flashh_find_sector( 0, &start, NULL ); // find the first free sector
if( psect )
*psect = sect;
return start;

7
app/platform/cpu_esp8266.h
View File

@ -53,7 +53,7 @@
#define INTERNAL_FLASH_READ_UNIT_SIZE 4
#define INTERNAL_FLASH_SIZE ( (SYS_PARAM_SEC_START) * INTERNAL_FLASH_SECTOR_SIZE )
#define INTERNAL_FLASH_START_ADDRESS 0x40200000
#define INTERNAL_FLASH_MAPPED_ADDRESS 0x40200000
// SpiFlashOpResult spi_flash_erase_sector(uint16 sec);
// SpiFlashOpResult spi_flash_write(uint32 des_addr, uint32 *src_addr, uint32 size);
@ -68,4 +68,9 @@
#define flash_read spi_flash_read
#endif // defined(FLASH_SAFE_API)
#define CACHE_FLASH_CTRL_REG 0x3ff0000c
#define CACHE_FLASH_ACTIVE 0x00000100
#define CACHE_FLASH_MAPPED0 0x02000000
#define CACHE_FLASH_MAPPED1 0x00010000
#endif // #ifndef __CPU_ESP8266_H__

5
app/platform/flash_api.c
View File

@ -96,11 +96,6 @@ SpiFlashOpResult flash_safe_erase_sector(uint16 sec)
SPIFlashInfo flash_rom_getinfo(void)
{
volatile SPIFlashInfo spi_flash_info ICACHE_STORE_ATTR;
// Don't use it before cache read disabled
// FLASH_DISABLE_CACHE();
// spi_flash_info = *((SPIFlashInfo *)(FLASH_ADDRESS_START_MAP));
// FLASH_ENABLE_CACHE();
// Needn't safe mode.
spi_flash_read(0, (uint32 *)(& spi_flash_info), sizeof(spi_flash_info));
return spi_flash_info;
}

2
app/platform/flash_api.h
View File

@ -4,8 +4,6 @@
#include "user_config.h"
#include "cpu_esp8266.h"
#define FLASH_ADDRESS_START_MAP (INTERNAL_FLASH_START_ADDRESS)
#define FLASH_SIZE_2MBIT (2 * 1024 * 1024)
#define FLASH_SIZE_4MBIT (4 * 1024 * 1024)
#define FLASH_SIZE_8MBIT (8 * 1024 * 1024)

19
app/platform/platform.c
View File

@ -514,12 +514,11 @@ int platform_spi_transaction( uint8_t id, uint8_t cmd_bitlen, spi_data_type cmd_
*/
uint32_t platform_s_flash_write( const void *from, uint32_t toaddr, uint32_t size )
{
toaddr -= INTERNAL_FLASH_START_ADDRESS;
SpiFlashOpResult r;
const uint32_t blkmask = INTERNAL_FLASH_WRITE_UNIT_SIZE - 1;
uint32_t *apbuf = NULL;
uint32_t fromaddr = (uint32_t)from;
if( (fromaddr & blkmask ) || (fromaddr >= INTERNAL_FLASH_START_ADDRESS)) {
if( (fromaddr & blkmask ) || (fromaddr >= INTERNAL_FLASH_MAPPED_ADDRESS)) {
apbuf = (uint32_t *)c_malloc(size);
if(!apbuf)
return 0;
@ -532,7 +531,7 @@ uint32_t platform_s_flash_write( const void *from, uint32_t toaddr, uint32_t siz
if(SPI_FLASH_RESULT_OK == r)
return size;
else{
NODE_ERR( "ERROR in flash_write: r=%d at %08X\n", ( int )r, ( unsigned )toaddr+INTERNAL_FLASH_START_ADDRESS );
NODE_ERR( "ERROR in flash_write: r=%d at %08X\n", ( int )r, ( unsigned )toaddr);
return 0;
}
}
@ -547,7 +546,6 @@ uint32_t platform_s_flash_read( void *to, uint32_t fromaddr, uint32_t size )
if (size==0)
return 0;
fromaddr -= INTERNAL_FLASH_START_ADDRESS;
SpiFlashOpResult r;
system_soft_wdt_feed ();
@ -571,7 +569,7 @@ uint32_t platform_s_flash_read( void *to, uint32_t fromaddr, uint32_t size )
if(SPI_FLASH_RESULT_OK == r)
return size;
else{
NODE_ERR( "ERROR in flash_read: r=%d at %08X\n", ( int )r, ( unsigned )fromaddr+INTERNAL_FLASH_START_ADDRESS );
NODE_ERR( "ERROR in flash_read: r=%d at %08X\n", ( int )r, ( unsigned )fromaddr);
return 0;
}
}
@ -581,3 +579,14 @@ int platform_flash_erase_sector( uint32_t sector_id )
system_soft_wdt_feed ();
return flash_erase( sector_id ) == SPI_FLASH_RESULT_OK ? PLATFORM_OK : PLATFORM_ERR;
}
uint32_t platform_flash_mapped2phys (uint32_t mapped_addr)
{
uint32_t cache_ctrl = READ_PERI_REG(CACHE_FLASH_CTRL_REG);
if (!(cache_ctrl & CACHE_FLASH_ACTIVE))
return -1;
bool b0 = (cache_ctrl & CACHE_FLASH_MAPPED0) ? 1 : 0;
bool b1 = (cache_ctrl & CACHE_FLASH_MAPPED1) ? 1 : 0;
uint32_t meg = (b1 << 1) | b0;
return mapped_addr - INTERNAL_FLASH_MAPPED_ADDRESS + meg * 0x100000;
}

10
app/platform/platform.h
View File

@ -237,6 +237,16 @@ uint32_t platform_s_flash_read( void *to, uint32_t fromaddr, uint32_t size );
uint32_t platform_flash_get_num_sectors(void);
int platform_flash_erase_sector( uint32_t sector_id );
/**
* Translated a mapped address to a physical flash address, based on the
* current flash cache mapping.
* @param mapped_addr Address to translate (>= INTERNAL_FLASH_MAPPED_ADDRESS)
* @return the corresponding physical flash address, or -1 if flash cache is
* not currently active.
* @see Cache_Read_Enable.
*/
uint32_t platform_flash_mapped2phys (uint32_t mapped_addr);
// *****************************************************************************
// Allocator support

8
app/spiffs/spiffs.c
View File

@ -51,9 +51,9 @@ void myspiffs_mount() {
#else
cfg.phys_addr = ( u32_t )platform_flash_get_first_free_block_address( NULL );
#endif
cfg.phys_addr += 0x3000;
cfg.phys_addr += 0x3FFF;
cfg.phys_addr &= 0xFFFFC000; // align to 4 sector.
cfg.phys_size = INTERNAL_FLASH_SIZE - ( ( u32_t )cfg.phys_addr - INTERNAL_FLASH_START_ADDRESS );
cfg.phys_size = INTERNAL_FLASH_SIZE - ( ( u32_t )cfg.phys_addr );
cfg.phys_erase_block = INTERNAL_FLASH_SECTOR_SIZE; // according to datasheet
cfg.log_block_size = INTERNAL_FLASH_SECTOR_SIZE; // let us not complicate things
cfg.log_page_size = LOG_PAGE_SIZE; // as we said
@ -94,10 +94,10 @@ int myspiffs_format( void )
#else
sect_first = ( u32_t )platform_flash_get_first_free_block_address( NULL );
#endif
sect_first += 0x3000;
sect_first += 0x3FFF;
sect_first &= 0xFFFFC000; // align to 4 sector.
sect_first = platform_flash_get_sector_of_address(sect_first);
sect_last = INTERNAL_FLASH_SIZE + INTERNAL_FLASH_START_ADDRESS - 4;
sect_last = INTERNAL_FLASH_SIZE - SYS_PARAM_SEC_NUM;
sect_last = platform_flash_get_sector_of_address(sect_last);
NODE_DBG("sect_first: %x, sect_last: %x\n", sect_first, sect_last);
while( sect_first <= sect_last )

2
app/wofs/romfs.c
View File

@ -521,7 +521,7 @@ int romfs_init( void )
#if defined( BUILD_WOFS )
// Get the start address and size of WOFS and register it
wofs_fsdata.pbase = ( uint8_t* )platform_flash_get_first_free_block_address( NULL );
wofs_fsdata.max_size = INTERNAL_FLASH_SIZE - ( ( uint32_t )wofs_fsdata.pbase - INTERNAL_FLASH_START_ADDRESS );
wofs_fsdata.max_size = INTERNAL_FLASH_SIZE - ( ( uint32_t )wofs_fsdata.pbase );
NODE_DBG("wofs.pbase:%x,max:%x\n",wofs_fsdata.pbase,wofs_fsdata.max_size);
#endif // ifdef BUILD_WOFS
return 0;